
Reference Manual for the CLOUD 370x F Contactless Desktop Readers
Document Version 1.0
Last revised on 2014-07-22
Page 20 of 82
4.2.2:
LED Behavior
4.2.2.1:
CLOUD 3700 F
The CLOUD 3700 F reader is equipped with a two-color LED, which has the following behavior:
Reader State
GREEN
RED
Just after plug-in (with drivers already installed)
ON
OFF
Just after device firmware upgrade
ON
OFF
Suspend / standby
OFF
OFF
Reader powered, and contactless card in reader’s field but
not yet powered
ON
ON
Contactless card powered and communicating with reader
500 ms ON
500 ms OFF
500 ms ON
500 ms OFF
Reader / card errors
OFF
100 ms ON
100 ms OFF
Dual interface card powered using RF field
500 ms ON
500 ms OFF
500 ms ON
500 ms OFF
4.2.2.2:
CLOUD 3701 F
The CLOUD 3701 F reader is equipped with a one-color LED, which has the following behavior:
Reader State
GREEN
Just after plug-in (with drivers already installed)
ON
Just after device firmware upgrade
ON
Suspend / standby
OFF
Reader powered, and contactless card in reader’s field but
not yet powered
ON
Contactless card powered and communicating with reader
500 ms ON
500 ms OFF
Reader / card errors
100 ms ON
100 ms OFF
Dual interface card powered using RF field
500 ms ON
500 ms OFF